Cannot take oral difulcan due to side effects. Prescription terazol (terconazole) 7 cream is irritating me badly. What else is there I can take for yeast infection?

Monastat. Options include 1, 3 or 7 day treatments. Usually available otc at most pharmacies and even grocery stores.
Yeast infections. First find the cause. Yeast infections are not normal. Diabetes? Immunodeficiency? Reinfections? Pretty much all otc medicines will cure a simple yeast infection as long as you are immunocompetent and hygienic.